Lots-of-LoRAs/task1422_mathqa_physics huggingface dataset:
Input: Problem: a certain car increased its average speed by 5 miles per hour in each successive 5 - minute interval after the first interval . if in the first 5 - minute interval its average speed was 2 miles per hour , how many miles did the car travel in the third 5 - minute interval ? 
Options: a ) 1.0 , b ) 1.5 , c ) 2.0 , d ) 2.5 , e ) 3.0
Output: a
Input: Problem: if 12 men and 16 boys can do a piece of work in 5 days ; 13 men and 24 boys can do it in 4 days , then the ratio of the daily work done by a man to that of a boy is ? 
Options: a ) 2 : 1 , b ) 2 : 8 , c ) 2 : 9 , d ) 2 : 5 , e ) 2 : 2
Output: a
Input: Problem: amit and ananthu can do a work in 15 days and 90 days respectively . amit started the work and left after 3 days . ananthu took over and completed the work . in how many days was the total work completed ? 
Options: a ) 68 days , b ) 70 days , c ) 73 days , d ) 75 days , e ) 77 days
Output: d
Input: Problem: 75 boys can complete a job in 24 days . how many men need to complete the job twice in 20 days 
Options: a ) 160 , b ) 170 , c ) 180 , d ) 190 , e ) 200
Output: c
Input: Problem: if teena is driving at 55 miles per hour and is currently 7.5 miles behind joe , who is driving at 40 miles per hour in the same direction then in how many minutes will teena be 45 miles ahead of joe ? 
Options: a ) 15 , b ) 60 , c ) 75 , d ) 90 , e ) 210
Output: e
Input: Problem: in a vehicle ' s repair shed , 3 men and 8 boys can do a piece of work in 15 days ; 4 men and 9 boys can do the same work in 12 days . then , 5 men and 5 boys can do double the amount of this work in : 
Options: a ) 20 days , b ) 33 days , c ) 24 days , d ) 28 days , e ) none of these
Output: c
Input: Problem: worker a takes 8 hours to do a job . worker b takes 6 hours to do the same job . how long it take both a & b , working together but independently , to do the same job ? 
Options: a ) 20 / 9 , b ) 40 / 9 , c ) 50 / 9 , d ) 24 / 7 , e ) 80 / 9
Output: d
Input: Problem: a take twice as much time as b or thrice as much time to finish a piece of work . working together , they can finish the work in 7 days . b can do the work alone in ? 
Options: a ) 19 , b ) 12 , c ) 11 , d ) 42 , e ) 114
Output: d
Input: Problem: three pipes , a , b , & c are attached to a tank . a & b can fill it in 20 & 30 minutes respectively while c can empty it in 15 minutes . if a , b & c are kept open successively for 4 minute each , how soon will the tank be filled ? 
Options: a ) 2 hours , b ) 12 hours , c ) 3 hours , d ) 5 hours , e ) 6 hours
Output: b
Input: Problem: working alone , a can complete a certain kind of job in 12 hours . a and d , working together at their respective rates , can complete one of these jobs in 4 hours . in how many hours can d , working alone , complete one of these jobs ? 
Options: a ) 1 , b ) 3 , c ) 4 , d ) 6 , e ) 9
Output: d
Input: Problem: sheila works 8 hours per day on monday , wednesday and friday , and 6 hours per day on tuesday and thursday . she does not work on saturday and sunday . she earns $ 360 per week . how much does she earn in dollars per hour ? 
Options: a ) 11 , b ) 10 , c ) 9 , d ) 8 , e ) 7
Output: b
Input: Problem: a cistern can be filled by a tap in 6 hours while it can be emptied by another tap in 12 hours . if both the taps are opened simultaneously , then after how much time will the cistern get filled ? 
Options: a ) 5.2 hrs , b ) 2.9 hrs , c ) 12 hrs , d ) 7.2 hrs , e ) 1.4 hrs
Output: c
Input: Problem: the pilot of a small aircraft with a 40 - gallon fuel tank wants to fly to cleveland , which is 480 miles away . the pilot recognizes that the current engine , which can fly only 6 miles per gallon , will not get him there . by how many miles per gallon must the aircraft ’ s fuel efficiency be improved to make the flight to cleveland possible ? 
Options: a ) 2 , b ) 4 , c ) 12 , d ) 6 , e ) 160
Output: d
Input: Problem: if two - third of a bucket is filled in 2 minutes then the time taken to fill the bucket completely will be . 
Options: a ) 3 minutes , b ) 70 seconds , c ) 60 seconds , d ) 100 seconds , e ) 120 seconds
Output: a
Input: Problem: a bus covered a distance of 250 km , partly at an average speed of 40 kmph and partly at 60 kmph . if the total time taken is 6 hours , then the distance covered at 40 kmph is 
Options: a ) 220 km , b ) 120 km , c ) 100 km , d ) 140 km , e ) none of these
Output: a
Input: Problem: a is 30 % more efficient than b . how much time they will working together take to complete a job which a alone could have done in 23 days ? 
Options: a ) 25 days , b ) 13 days , c ) 14 days , d ) 20 days , e ) 15 days
Output: b
Input: Problem: a train 250 meters long completely crosses a 300 meters long bridge in 45 seconds . what is the speed of the train is ? 
Options: a ) 32 , b ) 28 , c ) 29 , d ) 44 , e ) 21
Output: d
Input: Problem: a boat running downstream covers a distance of 12 km in 2 hours while for covering the same distance upstream , it takes 3 hours . what is the speed of the boat in still water ? 
Options: a ) 8 kmph , b ) 5 kmph , c ) 4 kmph , d ) 6 kmph , e ) 7 kmph
Output: b
Input: Problem: a van takes 6 hours to cover a distance of 252 km . how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ? 
Options: a ) 28 kmph , b ) 60 kmph , c ) 70 kmph , d ) 80 kmph , e ) 90 kmph
Output: a
Input: Problem: if the speed of a man is 51 km per hour , then what is the distance traveled by him in 30 seconds ? 
Options: a ) 275 m , b ) 360 m , c ) 375 m , d ) 425 m , e ) 440 m
Output: d
Input: Problem: audrey 4 hours to complete a certain job . ferris can do the same job in 3 hours . audrey and ferris decided to collaborate on the job , working at their respective rates . while audrey worked continuously , ferris took 2 breaks of equal length . if the two completed the job together in 2 hours , how many minutes long was each of ferris ’ breaks ? 
Options: a ) 5 , b ) 15 , c ) 17 , d ) 20 , e ) 25
Output: b
Input: Problem: a train running at the speed of 180 km / hr crosses a pole in 36 seconds . what is the length of the train ? 
Options: a ) 450 m , b ) 500 m , c ) 550 m , d ) 600 m , e ) 650 m
Output: d
Input: Problem: a man can row upstream at 25 kmph and downstream at 35 kmph , and then find the speed of the man in still water ? 
Options: a ) 22 , b ) 77 , c ) 30 , d ) 99 , e ) 12
Output: c
Input: Problem: a flagpole 18 meters high casts a shadow of length 45 meters . if a building under similar conditions casts a shadow of length 60 meters , what is the height of the building ( in meters ) ? 
Options: a ) 20 , b ) 24 , c ) 28 , d ) 32 , e ) 36
Output: b
Input: Problem: how long does a train 110 m long running at the speed of 72 km / hr takes to cross a bridge 132 m length ? 
Options: a ) 12.6 , b ) 12.0 , c ) 12.1 , d ) 12.3 , e ) 12.2
Output: b
Input: Problem: a train 300 meters long completely crosses a 300 meters long bridge in 45 seconds . what is the speed of the train is ? 
Options: a ) 32 , b ) 48 , c ) 29 , d ) 27 , e ) 21
Output: b
Input: Problem: angelina walked 960 meters from her home to the grocery at a constant speed . she then walked 480 meters to the gym at double the speed . she spent 40 seconds less on her way from the grocery to the gym than on her way from home to the grocery . what was angelina ' s speed , in meters per second , from the grocery to the gym ? 
Options: a ) 2 , b ) 13 , c ) 24 , d ) 36 , e ) 42
Output: d
Input: Problem: how many revolutions will a circular wheel make to travel a distance of 3 km , given that the radius is 2.4 m ? 
Options: a ) 11085.7 , b ) 15085.7 , c ) 35085.7 , d ) 15015.7 , e ) 15083.7
Output: a
Input: Problem: there is a 50 cm line marked at each centimeter and an insect is placed at every centimeter . 9 frogs are trained to jump a constant distance . the first one jumps 2 cm in every leap , the second one jumps 3 cm and so on until the 9 th one jumps 10 cm in every leap and they eat any insect that is available at that spot . if all of them start from start line and finish the entire 50 cm , how many insects were still left after the race was over ? 
Options: a ) 0 , b ) 4 , c ) 6 , d ) 8 , e ) 11
Output: e
Input: Problem: the ratio between the length and the breadth of a rectangular park is 3 : 2 . if a man cycling along the boundary of the park at the speed of 9 km / hr completes one round in 5 min , then the area of the park ( in sq . m ) is ? 
Options: a ) 337500 m , b ) 300000 m , c ) 153600 m , d ) 33750 m , e ) 9000 m
Output: d
Input: Problem: a runner runs the 40 miles from marathon to athens at a constant speed . halfway through the run she injures her foot , and continues to run at half her previous speed . if the second half takes her 8 hours longer than the first half , how many hours did it take the runner to run the second half ? 
Options: a ) 10 , b ) 12 , c ) 16 , d ) 20 , e ) 24
Output: c
Input: Problem: beginning in town a , biker bob rides his bike 10 miles west , 5 miles north , 5 miles east , and then 15 miles north , to town b . how far apart are town a and town b ? ( ignore the curvature of the earth . ) 
Options: a ) 22 miles , b ) 20.62 miles , c ) 25 miles , d ) 26 miles , e ) 28 miles
Output: b
Input: Problem: a and b can do a work in 12 days and 36 days respectively . if they work on alternate days beginning with b , in how many days will the work be completed ? 
Options: a ) 11 , b ) 17 , c ) 10 , d ) 17 , e ) 18
Output: e
Input: Problem: suresh can complete a job in 15 hours . ashutosh alone can complete the same job in 20 hours . suresh works for 9 hours and then the remaining job is completed by ashutosh . how many hours will it take ashutosh to complete the remaining job alone ? 
Options: a ) 4 , b ) 5 , c ) 8 , d ) 12 , e ) none of these
Output: c
Input: Problem: a train 360 m long runs with a speed of 45 km / hr . what time will it take to pass a platform of 140 m long ? 
Options: a ) 38 sec , b ) 35 sec , c ) 44 sec , d ) 40 sec , e ) 48 sec
Output: d
Input: Problem: a can do a piece of work in 24 days and b can do it in 15 days and c can do it 20 days . they started the work together and a leaves after 2 days and b leaves after 4 days from the beginning . how long will work lost ? 
Options: a ) 10 , b ) 12 , c ) 13 , d ) 11 , e ) 15
Output: c
Input: Problem: a train 360 m long runs with a speed of 45 km / hr . what time will it take to pass a platform of 180 m long ? 
Options: a ) 38 sec , b ) 35 sec , c ) 43.2 sec , d ) 40 sec , e ) none of these
Output: c
Input: Problem: a river 3 m deep and 55 m wide is flowing at the rate of 1 kmph the amount of water that runs into the sea per minute is ? 
Options: a ) 2338.9 , b ) 2748.9 , c ) 2148.9 , d ) 2745.9 , e ) 2718.9
Output: b
Input: Problem: a trader sells 66 meters of cloth for rs . 660 at the profit of rs . 5 per metre of cloth . what is the cost price of one metre of cloth ? 
Options: a ) 26 , b ) 88 , c ) 90 , d ) 42 , e ) 5
Output: e
Input: Problem: a person crosses a 1800 m long street in 12 minutes . what is his speed in km per hour ? 
Options: a ) 4.1 , b ) 4.5 , c ) 4.8 , d ) 5.4 , e ) 9
Output: e
Input: Problem: the speed of a boat in still water is 24 kmph . what is the speed of the stream if the boat can cover 64 km downstream or 32 km upstream in the same time ? 
Options: a ) 8 kmph , b ) 6 kmph , c ) 7 kmph , d ) 5 kmph , e ) 4 kmph
Output: a
Input: Problem: what is the greatest of 3 consecutive integers whose sum is 36 ? 
Options: a ) 12 , b ) 13 , c ) 14 , d ) 15 , e ) 16
Output: b
Input: Problem: the distance from city a to city b is 120 miles . while driving from city a to city b , cara drives at a constant speed of 30 miles per hour . dan leaves city a 90 minutes after cara . what is the minimum constant speed in miles per hour that dan must exceed in order to arrive in city b before cara ? 
Options: a ) 42 , b ) 44 , c ) 46 , d ) 48 , e ) 50
Output: d
Input: Problem: what is the cost of leveling the field in the form of parallelogram at the rate of rs . 60 / 10 sq . metre , whose base & perpendicular distance from the other side being 34 m & 34 m respectively ? 
Options: a ) s . 1156 , b ) s . 1300 , c ) s . 1400 , d ) s . 2480 , e ) s . 3600
Output: a
Input: Problem: there are 24 students in a seventh grade class . they decided to plant birches and roses at the school ' s backyard . while each girl planted 3 roses , every three boys planted 1 birch . by the end of the day they planted 24 plants . how many birches and roses were planted ? 
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7
Output: d
Input: Problem: raja complete a journey in 10 hours . he travels first half of the journey at the rate of 21 km / hr and second half at the rate of 24 km / hr . find the total journey in km . 
Options: a ) 200 km , b ) 250 km , c ) 224 km , d ) 255 km , e ) 260 km
Output: c
Input: Problem: find the l . c . m of 22 , 25 , 44 and 20 . 
Options: a ) 1240 , b ) 1600 , c ) 1320 , d ) 1150 , e ) 1100
Output: e
Input: Problem: a train running at the speed of 60 km / hr crosses a pole in 6 sec . what is the length of the train ? 
Options: a ) 356 , b ) 278 , c ) 127 , d ) 100 , e ) 150
Output: d
Input: Problem: p , q and r together earn rs . 1710 in 9 days . p and r can earn rs . 600 in 5 days . q and r in 7 days can earn rs . 910 . how much amount does r can earn per day ? 
Options: a ) s . 40 , b ) s . 60 , c ) s . 90 , d ) s . 100 , e ) s . 120
Output: b
Input: Problem: a and b can do a piece of work in 4 days , b and c in 6 days , c and a in 3 days . how long will c take to do it ? 
Options: a ) 8 days , b ) 10 days , c ) 12 days , d ) 4 days , e ) 12 days
Output: a
Input: Problem: two trains of equal lengths take 10 sec and 15 sec respectively to cross a telegraph post . if the length of each train be 120 m , in what time will they cross other travelling in opposite direction ? 
Options: a ) 16 sec , b ) 12 sec , c ) 17 sec , d ) 21 sec , e ) 23 sec
Output: b
Input: Problem: a man can row upstream at 5 kmph and downstream at 25 kmph , and then find the speed of the man in still water ? 
Options: a ) 15 , b ) 77 , c ) 30 , d ) 88 , e ) 34
Output: a
Input: Problem: a car traveled 340 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city . if the car traveled 6 fewer miles per gallon in the city than on the highway , how many miles per gallon did the car travel in the city ? 
Options: a ) 504 , b ) 416 , c ) 321 , d ) 220 , e ) 170
Output: a
Input: Problem: two pipes can fill a tank in 18 minutes and 60 minutes . an outlet pipe can empty the tank in 45 minutes . if all the pipes are opened when the tank is empty , then how many minutes will it take to fill the tank ? 
Options: a ) 1 / 15 , b ) 1 / 16 , c ) 1 / 20 , d ) 1 / 10 , e ) 1 / 12
Output: c
Input: Problem: the radius of a wheel is 20 cm . what is the distance covered by the wheel in making 500 resolutions ? 
Options: a ) 708 m , b ) 704 m , c ) 314.3 m , d ) 714 m , e ) 744 m
Output: c
Input: Problem: two stations p and q are 110 km apart on a straight track . one train starts from p at 7 a . m . and travels towards q at 20 kmph . another train starts from q at 8 a . m . and travels towards p at a speed of 25 kmph . at what time will they meet ? 
Options: a ) 10.30 , b ) 10 , c ) 8.45 , d ) 9.3 , e ) 11
Output: b
Input: Problem: a train 140 m long crosses a platform 160 m long in 16 sec ; find the speed of the train ? 
Options: a ) 87 kmph , b ) 65 kmph , c ) 68 kmph , d ) 16 kmph , e ) 18 kmph
Output: c
Input: Problem: buses a and b start from a common bus stop x . bus a begins to travel in a straight line away from bus b at a constant rate of 40 miles per hour . one hour later , bus b begins to travel in a straight line in the exact opposite direction at a constant rate of 80 miles per hour . if both buses travel indefinitely , what is the positive difference , in minutes , between the amount of time it takes bus b to cover the exact distance that bus a has covered and the amount of time it takes bus b to cover twice the distance that bus a has covered ? 
Options: a ) 36 , b ) 72 , c ) 132 , d ) 144 , e ) 180
Output: b
Input: Problem: the reciprocal of the hcf and lcm of two are 1 / 16 and 1 / 312 . if one of the number is 24 then other no . is 
Options: a ) 126 , b ) 136 , c ) 146 , d ) 208 , e ) 266
Output: d
Input: Problem: suppose you work for a manufacturing plant that pays you $ 12.50 an hour plus $ 0.16 for each widget you make . how many widgets must you produce in a 40 hour week to earn $ 750 ( before payroll deductions ) ? 
Options: a ) 1600 , b ) 1625 , c ) 1650 , d ) 1655 , e ) 1675
Output: b
Input: Problem: 5 people can write 25 book in 20 days working 8 hour a day . then in how many day 125 can be written by 75 people ? 
Options: a ) 25 / 3 , b ) 19 / 3 , c ) 20 / 3 , d ) 25 / 3 , e ) 22 / 3
Output: c
Input: Problem: a is 1.5 times as fast as b . a alone can do the work in 30 days . if a and b working together in how many days will the work be completed ? 
Options: a ) 23 , b ) 18 , c ) 21 , d ) 24 , e ) 25
Output: b
Input: Problem: a man can do a job in 15 days . his father takes 20 days and his son finishes it in 15 days . how long will they take to complete the job if they all work together ? 
Options: a ) 6.3 , b ) 6.9 , c ) 5.5 , d ) 6.1 , e ) 6.2
Output: c
Input: Problem: the speed of a subway train is represented by the equation z = s ^ 2 + 2 s for all situations where 0 ≤ s ≤ 7 , where z is the rate of speed in kilometers per hour and s is the time in seconds from the moment the train starts moving . in kilometers per hour , how much faster is the subway train moving after 7 seconds than it was moving after 5 seconds ? 
Options: a ) 4 , b ) 28 , c ) 15 , d ) 48 , e ) 63
Output: b
Input: Problem: an automotive test consisted of driving a car the same distance 3 separate times , first at an average rate of 4 miles per hour , then 5 miles per hour , then 6 miles per hour . if the test took 37 hours to complete , how many miles was the car driven during the entire test ? 
Options: a ) 100 , b ) 120 , c ) 180 , d ) 200 , e ) 240
Output: c
Input: Problem: two numbers have a h . c . f of 11 and a product of two numbers is 1991 . find the l . c . m of the two numbers ? 
Options: a ) 140 , b ) 181 , c ) 160 , d ) 170 , e ) 180
Output: b
Input: Problem: if a boat is rowed downstream for 500 km in 5 hours and upstream for 240 km in 6 hours , what is the speed of the boat and the river ? 
Options: a ) 70 , 30 , b ) 30 , 70 , c ) 70 , 70 , d ) 30 , 30 , e ) 80 , 50
Output: a
Input: Problem: sari and ken climb up a mountain . at night , they camp together . on the day they are supposed to reach the summit , sari wakes up at 07 : 00 and starts climbing at a constant pace . ken starts climbing only at 09 : 00 , when sari is already 700 meters ahead of him . nevertheless , ken climbs at a constant pace of 500 meters per hour , and reaches the summit before sari . if sari is 50 meters behind ken when he reaches the summit , at what time did ken reach the summit ? 
Options: a ) 13 : 00 , b ) 13 : 30 , c ) 14 : 00 , d ) 15 : 00 , e ) 15 : 30
Output: c
Input: Problem: excluding stoppages , the speed of the bus is 54 kms / hr and with stoppages , it is 45 kmph . for how many minutes does the bus stop per hour ? 
Options: a ) 9 , b ) 10 , c ) 11 , d ) 12 , e ) 20
Output: b
Input: Problem: car a runs at the speed of 50 km / hr & reaches its destination in 8 hr . car b runs at the speed of 25 km / h & reaches its destination in 4 h . what is the respective ratio of distances covered by car a & car b ? 
Options: a ) 4 : 1 , b ) 11 : 8 , c ) 13 : 7 , d ) 15 : 7 , e ) 16 : 9
Output: a
Input: Problem: the current of a stream runs at the rate of 3 kmph . a boat goes 6 km and back to the starting point in 2 hours , then find the speed of the boat in still water ? 
Options: a ) a ) 7.24 , b ) b ) 2 , c ) c ) 8.5 , d ) d ) 6.67 , e ) e ) 3
Output: a
Input: Problem: a train covers a distance of 100 km in 1 hour . if its speed is decreased by 25 km / hr , the time taken by the car to cover the same distance will be ? 
Options: a ) 1 hr , b ) 1 hr 20 min , c ) 50 min , d ) 1 hr 30 min , e ) 1 hr 45 min
Output: b
Input: Problem: 12 persons can complete the work in 18 days . after working for 6 days , 4 more persons added to complete the work fast . in how many days they will complete the work ? 
Options: a ) 10 , b ) 15 , c ) 17 , d ) 5 , e ) 9
Output: e
Input: Problem: stalin and heather are 20 miles apart and walk towards each other along the same route . stalin walks at constant rate that is 1 mile per hour faster than heather ' s constant rate of 5 miles / hour . if heather starts her journey 20 minutes after stalin , how far from the original destination has heather walked when the two meet ? 
Options: a ) 4 miles , b ) 6 miles , c ) 9 miles , d ) 10 miles , e ) 12 mile
Output: a
Input: Problem: if seven machines working at the same rate can do 3 / 4 of a job in 30 minutes , how many minutes would it take two machines working at the same rate to do 3 / 5 of the job ? 
Options: a ) 45 , b ) 60 , c ) 75 , d ) 84 , e ) 100
Output: d
Input: Problem: working alone at its constant rate , machine a produces x boxes in 10 minutes and working alone at its constant rate , machine b produces 3 x boxes in 5 minutes . how many minutes does it take machines a and b , working simultaneously at their respective constant rates , to produce 3 x boxes ? 
Options: a ) 3 minutes , b ) 4 minutes , c ) 4.2 minutes , d ) 6 minutes , e ) 12 minutes
Output: c
Input: Problem: a 300 meter long train crosses a platform in 48 seconds while it crosses a signal pole in 18 seconds . what is the length of the platform ? 
Options: a ) 500 , b ) 289 , c ) 350 , d ) 882 , e ) 281
Output: a
Input: Problem: in a race , the speeds of a and b are in the ratio 3 : 4 . a takes 30 minutes more than b to reach the destination . the time taken by a to reach the destination is ? 
Options: a ) 1 hr , b ) 2 hr , c ) 1.5 hr , d ) 2.5 hr , e ) 3 hr
Output: b
Input: Problem: in a garden , 26 trees are planted at equal distances along a yard 600 metres long , one tree being at each end of the yard . what is the distance between two consecutive trees ? 
Options: a ) 10 , b ) 8 , c ) 12 , d ) 24 , e ) 16
Output: d
Input: Problem: speed of a boat in standing water is 16 kmph and the speed of the stream is 2 kmph . a man rows to a place at a distance of 7560 km and comes back to the starting point . the total time taken by him is : 
Options: a ) 914.2 hours , b ) 900 hours , c ) 915 hours , d ) 905 hours , e ) 960 hours
Output: e
Input: Problem: a van takes 6 hours to cover a distance of 180 km . how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ? 
Options: a ) 50 kmph , b ) 60 kmph , c ) 70 kmph , d ) 80 kmph , e ) 20 kmph
Output: e
Input: Problem: a train 180 m long is running with a speed of 55 km / hr . in what time will it pass a man who is running at 7 km / hr in the direction opposite to that in which the train is going ? 
Options: a ) 5.5 , b ) 10.45 , c ) 7 , d ) 8 , e ) 9.5
Output: b
Input: Problem: a hollow iron pipe is 21 cm long and its external diameter is 8 cm . if the thickness of the pipe is 1 cm and iron weighs 8 g / cm 3 , then the weight of the pipe is : 
Options: a ) 3.6 kg , b ) 3.696 kg , c ) 36 kg , d ) 36.9 kg , e ) none
Output: b
Input: Problem: a garrison of 2000 men has provisions for 40 days . at the end of 20 days , a reinforcement arrives , and it is now found that the provisions will last only for 10 days more . what is the reinforcement ? 
Options: a ) 1888 , b ) 2766 , c ) 2999 , d ) 2000 , e ) 1712
Output: d
Input: Problem: a and b complete a work in 9 days . a alone can do it in 18 days . if both together can do the work in how many days ? 
Options: a ) 6 days , b ) 8 days , c ) 5 days , d ) 7 days , e ) 15 days
Output: a
Input: Problem: which greatest possible length can be used to measure exactly 10 meter 40 cm , 14 meter 10 cm and 7 meter 90 cm 
Options: a ) 45 cm , b ) 25 cm , c ) 24 cm , d ) 15 cm , e ) 10 cm
Output: e